Não informado. Philippine Journal of Surgical Specialties. Philippine College of Surgeons.
Lua i Stíl Chicago (17ú heag.)Não informado. Philippine Journal of Surgical Specialties. Manila: Philippine College of Surgeons.
Lua MLA (8ú heag.)Não informado. Philippine Journal of Surgical Specialties. Philippine College of Surgeons.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.